{"product_id":"autel-tesla-diagnostic-splitter-cable-tcan003-model-s-x-y-model-3-post-2021-16-pin-obd2-compatibility","title":"Autel Tesla diagnostic splitter cable TCAN003 — Model S\/X\/Y \u0026 Model 3 (post‑2021), 16‑pin OBD2 compatibility","description":"\u003cp\u003e\u003cstrong\u003eAutel TCAN003 is the official Tesla diagnostic splitter cable that connects Autel scanners to Tesla Model S, Model X, Model Y (all years) and Model 3 (post‑2021 heat pump) for full vehicle communication and troubleshooting.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis genuine Autel adapter replaces multiple legacy plugs with a single 2‑in‑1 cable that simplifies access to Tesla CAN and X437 ports. Built as an updated alternative to earlier Autel 12‑pin and 20‑pin adapters, the TCAN003 exposes a modern 16‑pin OBD2 connection that works with a broad range of Autel diagnostic tools. Use it with compatible MaxiSys and MaxiCOM scanners to read modules, pull DTCs, stream live data, and complete guided diagnostic workflows.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Tesla models and ports does this cable support?\u003c\/h3\u003e\n\u003cp\u003eThe TCAN003 is designed to cover Tesla Model S and Model X across all model years and Model Y across all years, plus Model 3 vehicles manufactured after 2021 that include the heat‑pump HVAC system. It maps to different physical ports depending on the car: the X437 port beneath the center screen for S\/X and the CAN port at the bottom of the right front A‑pillar for Y and supported 3s.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel S \u0026amp; Model X: connects to the X437 diagnostic socket under the central display\u003c\/li\u003e\n\u003cli\u003eModel Y: connects to the CAN connector at the right front A‑pillar base\u003c\/li\u003e\n\u003cli\u003eModel 3 (post‑2021, heat pump): uses the same CAN port as Model Y\u003c\/li\u003e\n\u003cli\u003eNot for early Model 3 without heat pump — verify VIN when in doubt\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does TCAN003 improve compatibility compared to older adapters?\u003c\/h3\u003e\n\u003cp\u003eAutel reworked the previous multi‑pin adapters into this consolidated 2‑in‑1 cable so technicians no longer need separate leads for each Tesla platform. The TCAN003 replaces the older 12‑pin and 20‑pin variants while upgrading the legacy 15‑pin interface to a standard 16‑pin OBD2 style plug, expanding scanner compatibility and simplifying inventory.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSingle cable replaces multiple legacy adapters for fewer parts to manage\u003c\/li\u003e\n\u003cli\u003eUpdated 16‑pin OBD2 port increases compatibility with modern Autel scanners\u003c\/li\u003e\n\u003cli\u003eWorks with a wide range of Autel MaxiSys and MaxiCOM units that include Tesla software\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich Autel scanners and software does this adapter work with?\u003c\/h3\u003e\n\u003cp\u003eThe cable is intended to be used with Autel diagnostic hardware that supports Tesla protocols. When paired with supported scanners, it enables access to Tesla‑specific menus, fault reading, live data, and guided procedures. Software availability depends on your scanner model; some units include the Tesla package out of the box.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible Autel models: MS908S PRO, MS908S PRO II, MK908 PRO II, Elite series, MS909, MS919, Ultra, Ultra Lite, MS909EV, and Ultra EV\u003c\/li\u003e\n\u003cli\u003eNo separate Tesla hardware required — use existing compatible Autel scanners\u003c\/li\u003e\n\u003cli\u003eConfirm scanner firmware and software include Tesla coverage before diagnosing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety and support features should I know about?\u003c\/h3\u003e\n\u003cp\u003eAutel recommends powering the vehicle off before connecting or disconnecting diagnostic cables to reduce risk of communication errors or electrical issues. The TCAN003 ships with manufacturer support and warranty coverage to protect your purchase and enable long‑term use in workshop environments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAlways switch vehicle power off prior to connector disassembly or installation\u003c\/li\u003e\n\u003cli\u003eIncludes one‑year limited warranty, 30‑day return\/replacement window, and lifetime technical support\u003c\/li\u003e\n\u003cli\u003eAutel support available for compatibility checks — supply your VIN when requested\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this cable for? Automotive technicians, independent EV specialists, and fleet managers who use Autel diagnostic equipment and service Tesla vehicles will benefit most from the TCAN003. It’s ideal if you need one reliable, up‑to‑date adapter that covers multiple Tesla models without juggling obsolete connectors. If you’re unsure about compatibility, provide the vehicle VIN to Autel support or confirm your scanner’s Tesla software pack before ordering.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will TCAN003 work with all Tesla Model 3 cars?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It supports Model 3 vehicles built after 2021 with a heat‑pump system; provide VIN for compatibility confirmation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need extra software to use this cable with my Autel scanner?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use it with Autel scanners that include or support Tesla diagnostic software; check your scanner’s software list first.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Autel","offers":[{"title":"Default Title","offer_id":48086070067358,"sku":"B0D3V9DMLP","price":43.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/autel-tcan003-front-view-cable.jpg?v=1785883551","url":"https:\/\/northtrailauto.ca\/products\/autel-tesla-diagnostic-splitter-cable-tcan003-model-s-x-y-model-3-post-2021-16-pin-obd2-compatibility","provider":"North Trail Auto","version":"1.0","type":"link"}